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Eastar ETR-380N Standard Trumpet For the valves' well function, Eastar trumpet applies 1/100mm mechanical accuracy to ensure that each piston can work perfectly with lubrication. Thanks to a strict QC system, the quality of each part of the product is well promised, to ensure the best capacity and satisfaction of our dear customers. Eastar has been trying its best to satisfy the dear customers, for the high-quality trumpets, and the belief to make a difference.







